What key difference exists in the storage and replenishment needs between water-soluble and fat-soluble vitamins?
Answer
Water-soluble vitamins must be replenished more regularly, as excess is often excreted.
Vitamins are divided into two main classes: water-soluble (like B vitamins and Vitamin C) and fat-soluble (Vitamins A, D, E, and K), and their storage behaviors differ significantly. Because water-soluble vitamins dissolve in water, the body generally cannot hoard large reserves; instead, excess amounts tend to be filtered out and excreted through bodily fluids. Consequently, these vitamins require more consistent and regular replenishment through diet. In contrast, the fat-soluble vitamins dissolve in fat and can be stored in the body's fatty tissues and liver for longer periods, meaning deficiencies take longer to manifest if intake is sporadic.
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